Gutunganya Igicu
Igicu cyumwanya ni urutonde rwibintu bya 3D (X, Y, Z) bifata imiterere yibintu bifatika hamwe nu mwanya, akenshi biva kuri LiDAR cyangwa ibyuma byimbitse.
Incamake
Point cloud processing is how machines clean, organize, and understand these raw 3D dots to recognize, segment, and navigate the world.
Kwibira cyane
Ibicu by'ibicu bitondekanye, bitandukanijwe bidasanzwe, kandi nta gride ihamye, ituma bitoroha kumashusho asanzwe yerekana imiyoboro yubatswe yubatswe kuri pigiseli nziza. Amakuru nayo ni make kandi akenshi ni manini: gukuramo LiDAR imwe ishobora gufata amanota ibihumbi magana. Gutunganya imiyoboro isanzwe yerekana urugero (urugero, gride ya voxel), ikureho urusaku n’ibisohoka, igereranya ubusanzwe, kandi wandike scan nyinshi mubice bimwe bihuza ukoresheje algorithm nka Iterative Closest Point. Kugirango ubyumve, PointNet yabanje kwigira kumurongo wibanze ukoresheje imiyoboro isangiwe kuri buri ngingo wongeyeho intambwe ihuriweho na max-guhuza intambwe yirengagiza gutumiza. Nyuma yaho moderi nka PointNet ++, KPConv, hamwe na 3D idahwitse ifata abaturanyi baho, bigafasha kumenya ibintu bya 3D, gutandukanya ibice, no gutondekanya imiterere.
Ubushishozi
Ikibazo nyamukuru ni permis invariance: igicu kimwe cyerekanwe murutonde urwo arirwo rwose rugomba gutanga ibisubizo bimwe. PointNet ikemura iki kibazo ukoresheje umuyoboro muto muto kuri buri ngingo wigenga, hanyuma ugahuza ibiranga numurimo uhuriweho (max-pooling) utitaye kumurongo. Gufata geometrie yaho, moderi yuburyo bukurikirana itsinda ryegereye uturere no kubitunganya kumunzani myinshi, cyane nkibisubizo byubaka imiterere mumashusho.
Ingaruka z'Ingamba
Umuvuduko n'igipimo
AI igaragara irashobora gukora igenzura, gutahura, no gutondekanya imirimo kurwego.
Build choices
Amakipe arema arashobora prototype ibitekerezo byihuse hamwe nintoki nkeya.
Itsinda hamwe nakazi
Ibikorwa birashobora gukoresha amashusho nibimenyetso bya videwo byari bigoye gutunganya.
Ejo hazaza h'ibicu bitunganyirizwa
Guhindura ingingo hamwe nicyitegererezo gishingiye kubitekerezo birimo kunoza uburyo sisitemu itekereza kubyerekeranye na 3D ndende. Guhuza cyane ingingo za LiDAR hamwe namashusho ya kamera bitanga ubukire, imyumvire ikomeye kubwigenga. Kwiyobora wenyine kwisuzumisha kuri scan nini itabigenewe biragabanya ibiciro byo kuranga, mugihe imiyoboro idahwitse kandi yuzuye ituma gutunganya igihe nyacyo kubinyabiziga na robo. Ibishushanyo mbonera nka Gaussian gusasa hamwe nimirima itagaragara bigenda byuzuzanya ibicu bibisi, bigahindura umurongo hagati yibintu bishingiye kumurongo kandi bikomeza byerekana 3D.
Gushyira mu bikorwa Isi
Imodoka yigenga itunganya ibicu bya LiDAR mugihe nyacyo kugirango tumenye imodoka, abanyamagare, nabanyamaguru ndetse no gushushanya umwanya ugenda.
Abashakashatsi hamwe nitsinda ryubwubatsi bakoresha ibicu biturutse kuri laser scaneri kugirango bakore moderi yubatswe ya 3D kandi bamenye impinduka zubatswe.
Umushinga wumurage ndangamuco usikana ibishusho ninyubako mubicu bitoshye byo kubungabunga no gusana.
Imashini zikoresha ibicu byimbitse-kamera yibicu byo gutoragura, gufata ibice bidasanzwe, no kwirinda inzitizi ahantu huzuye akajagari.
Ingaruka & Kurinda
Uburenganzira bwishusho hamwe no kwemererwa birashobora guhinduka ibyago byemewe n'amategeko niba ibimenyetso bidasobanutse.
Imikorere yicyitegererezo irashobora gutandukana kumurika, demografiya, nibidukikije.
Ibyiza byibinyoma birashobora kutamenyekana keretse niba ibyiringiro byateganijwe bikurikiranwa.
Igishushanyo mbonera
Sobanura ibipimo byo kwemererwa kugiciro, kwibutsa, nibiciro byamakosa.
Gerageza hamwe namakuru ajyanye nuburyo nyabwo bwo gukora.
Ongeraho isubiramo ryabantu kubwizere buke cyangwa guhanura cyane.
Kurikirana icyitegererezo cya drift hanyuma uhindurwe nyuma ya kamera cyangwa dataset ihinduka.
Komeza Ubushakashatsi
Free newsletter
Get the daily AI briefing
Three verified AI stories every weekday morning, written in plain English. Free forever, no ads.
One email each weekday. Unsubscribe in one click. We never sell or share your address.
Test yourself
Take the Point Cloud Processing quiz
Instant feedback on every answer, and a shareable certificate with a verifiable ID once you pass a course.
Support free AI education. AI Understanding is a 501(c)(3) nonprofit — no ads, no paywall, ever. Make a donation
Ubuyobozi bukurikira
Ubwubatsi bwa AI
Ibibazo bikunze kubazwa
What is Point Cloud Processing?
Igicu cyumwanya ni urutonde rwibintu bya 3D (X, Y, Z) bifata imiterere yibintu bifatika hamwe nu mwanya, akenshi biva kuri LiDAR cyangwa ibyuma byimbitse. Gutunganya ibicu nuburyo imashini zisukura, zitunganya, kandi zikumva utudomo duto twa 3D kugirango tumenye, igice, kandi tuyobore isi.
Igicu ni iki?
Igicu cyumwanya ni urutonde rwingingo hamwe na X, Y, Z ihuza (rimwe na rimwe wongeyeho ibara cyangwa ubukana) ifata geometrie yibintu nibintu.
Kuki bidashoboka ishusho isanzwe CNNs ikoreshwa muburyo butaziguye?
Ishusho CNNs ifata pigiseli ihamye, ariko ingingo yibicu ntisanzwe kandi idafite gahunda, kubwibyo byubatswe byihariye birakenewe.
Ni uwuhe mutungo w'ingenzi ugomba kwerekana ingingo y'urusobe rwubaha?
Kubera ko igicu kimwe gishobora gutondekwa murutonde urwo arirwo rwose, umuyoboro ugomba kubyara umusaruro umwe utitaye kumurongo.
Nigute PointNet yageze kuri gahunda-yigenga?
PointNet itunganya buri ngingo hamwe numuyoboro usangiwe, hanyuma igahuza hamwe na max-pooling, ikaba ihuriweho kandi ikirengagiza gutumiza.
Niki Iterative Closest Point (ICP) algorithm ikora?
ICP itondekanya guhuza ingingo zegeranye hagati ya scan ebyiri ugasanga impinduka zikomeye zihuza neza, zikoreshwa mukwiyandikisha.